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How to use Oven Gas Mark Converter

Select a gas mark to see its Fahrenheit and Celsius temperatures, plus a full reference table of every mark from 1 to 9.

Frequently asked questions

What is the gas mark formula?

°F = 25 × gas mark + 250, then °C = (°F − 32) × 5⁄9 for the Celsius value.

What temperature is Gas Mark 4?

Gas Mark 4 = 350 °F = about 177 °C, the standard 'moderate' oven setting.

What range do gas marks cover?

Gas marks run 1 (cool, 275 °F) to 9 (very hot, 475 °F) in 25 °F steps.

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